RefFullyConnectedWorkload.cpp

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//
// Copyright © 2019-2024 Arm Ltd and Contributors. All rights reserved.
// SPDX-License-Identifier: MIT
//
 
#include "RefFullyConnectedWorkload.hpp"
 
#include "FullyConnected.hpp"
#include "RefWorkloadUtils.hpp"
 
#include "Profiling.hpp"
 
namespace armnn
{
 
unsigned int GetNumActivations(const TensorInfo& inputInfo)
{
    unsigned int numActivations = 1; // Total number of activations in the input.
    for (unsigned int i = 1; i < inputInfo.GetNumDimensions(); i++)
    {
        numActivations *= inputInfo.GetShape()[i];
    }
    return numActivations;
}
 
 
RefFullyConnectedWorkload::RefFullyConnectedWorkload(
    const FullyConnectedQueueDescriptor& descriptor, const WorkloadInfo& info)
        : RefBaseWorkload<FullyConnectedQueueDescriptor>(descriptor, info)
        , m_InputShape(info.m_InputTensorInfos[0].GetShape())
        , m_WeightShape(info.m_InputTensorInfos[1].GetShape())
        , m_OutputShape(info.m_OutputTensorInfos[0].GetShape())
        , m_NumActivations(GetNumActivations(info.m_InputTensorInfos[0]))
{
}
 
void RefFullyConnectedWorkload::Execute() const
{
    Execute(m_Data.m_Inputs, m_Data.m_Outputs);
}
 
void RefFullyConnectedWorkload::Execute(std::vector<ITensorHandle*> inputs, std::vector<ITensorHandle*> outputs) const
{
    ARMNN_SCOPED_PROFILING_EVENT_REF_NAME_GUID("RefFullyConnectedWorkload_Execute");
 
    std::unique_ptr<Decoder<float>> inputDecoder = MakeDecoder<float>(GetTensorInfo(inputs[0]), inputs[0]->Map());
    std::unique_ptr<Encoder<float>> OutputEncoder = MakeEncoder<float>(GetTensorInfo(outputs[0]), outputs[0]->Map());
 
    std::unique_ptr<Decoder<float>> weightsDecoder = MakeDecoder<float>(GetTensorInfo(inputs[1]), inputs[1]->Map());
    std::unique_ptr<Decoder<float>> biasDecoder;
 
    if (m_Data.m_Parameters.m_BiasEnabled)
    {
        biasDecoder = MakeDecoder<float>(GetTensorInfo(inputs[2]), inputs[2]->Map());
    }
 
    FullyConnected(m_InputShape,
                   *inputDecoder,
                   m_OutputShape,
                   *OutputEncoder,
                   m_WeightShape,
                   *weightsDecoder,
                   biasDecoder.get(),
                   m_Data.m_Parameters.m_BiasEnabled,
                   m_NumActivations,
                   m_Data.m_Parameters.m_TransposeWeightMatrix);
}
 
} //namespace armnn